var season_files = new Array(62);
season_files[0] = "bilder/seasons/winter/anteckningar.jpg";
season_files[1] = "bilder/seasons/winter/bath.jpg";
season_files[2] = "bilder/seasons/winter/bok_1.jpg";
season_files[3] = "bilder/seasons/winter/boktext.jpg";
season_files[4] = "bilder/seasons/winter/bookmark.jpg";
season_files[5] = "bilder/seasons/winter/bulle.jpg";
season_files[6] = "bilder/seasons/winter/cake_cream.jpg";
season_files[7] = "bilder/seasons/winter/detalj.jpg";
season_files[8] = "bilder/seasons/winter/evning.jpg";
season_files[9] = "bilder/seasons/winter/evning_sky.jpg";
season_files[10] = "bilder/seasons/winter/frost.jpg";
season_files[11] = "bilder/seasons/winter/frost_stolpe.jpg";
season_files[12] = "bilder/seasons/winter/glas blue.jpg";
season_files[13] = "bilder/seasons/winter/glasses.jpg";
season_files[14] = "bilder/seasons/winter/green.jpg";
season_files[15] = "bilder/seasons/winter/hallbox.jpg";
season_files[16] = "bilder/seasons/winter/halt.jpg";
season_files[17] = "bilder/seasons/winter/hyllplan.jpg";
season_files[18] = "bilder/seasons/winter/ice.jpg";
season_files[19] = "bilder/seasons/winter/is.jpg";
season_files[20] = "bilder/seasons/winter/kaffe_kok.jpg";
season_files[21] = "bilder/seasons/winter/kaffekanna.jpg";
season_files[22] = "bilder/seasons/winter/kaka_halv.jpg";
season_files[23] = "bilder/seasons/winter/kalle.jpg";
season_files[24] = "bilder/seasons/winter/klotljus.jpg";
season_files[25] = "bilder/seasons/winter/krukvaxt.jpg";
season_files[26] = "bilder/seasons/winter/lampa.jpg";
season_files[27] = "bilder/seasons/winter/ljus_kaffelatte.jpg";
season_files[28] = "bilder/seasons/winter/macka.jpg";
season_files[29] = "bilder/seasons/winter/marmelad.jpg";
season_files[30] = "bilder/seasons/winter/mat.jpg";
season_files[31] = "bilder/seasons/winter/muffins.jpg";
season_files[32] = "bilder/seasons/winter/orange_sky.jpg";
season_files[33] = "bilder/seasons/winter/orkide.jpg";
season_files[34] = "bilder/seasons/winter/pennor.jpg";
season_files[35] = "bilder/seasons/winter/red_berry.jpg";
season_files[36] = "bilder/seasons/winter/semla.jpg";
season_files[37] = "bilder/seasons/winter/sko.jpg";
season_files[38] = "bilder/seasons/winter/snow.jpg";
season_files[39] = "bilder/seasons/winter/snow_kappa.jpg";
season_files[40] = "bilder/seasons/winter/snowman.jpg";
season_files[41] = "bilder/seasons/winter/spegel.jpg";
season_files[42] = "bilder/seasons/winter/spel.jpg";
season_files[43] = "bilder/seasons/winter/spindelnet.jpg";
season_files[44] = "bilder/seasons/winter/stearinkant.jpg";
season_files[45] = "bilder/seasons/winter/stearinljus.jpg";
season_files[46] = "bilder/seasons/winter/stolpe.jpg";
season_files[47] = "bilder/seasons/winter/suddis.jpg";
season_files[48] = "bilder/seasons/winter/tak.jpg";
season_files[49] = "bilder/seasons/winter/tangentbord.jpg";
season_files[50] = "bilder/seasons/winter/tea.jpg";
season_files[51] = "bilder/seasons/winter/tejp.jpg";
season_files[52] = "bilder/seasons/winter/tesil.jpg";
season_files[53] = "bilder/seasons/winter/tomatsallad.jpg";
season_files[54] = "bilder/seasons/winter/tre_ljus.jpg";
season_files[55] = "bilder/seasons/winter/tvfrukost.jpg";
season_files[56] = "bilder/seasons/winter/tyg.jpg";
season_files[57] = "bilder/seasons/winter/vattenpuss.jpg";
season_files[58] = "bilder/seasons/winter/vinter.jpg";
season_files[59] = "bilder/seasons/winter/vinterhimel.jpg";
season_files[60] = "bilder/seasons/winter/vita_trad.jpg";
season_files[61] = "bilder/seasons/winter/white.jpg";
season_index = -1;

function season_random(num)
{
    return Math.floor(Math.random()*num);
}

function season_start()
{
    season_change();
}

function season_change()
{
    if(season_index > -1 && season_files.length > 1) {
        new_index = season_random(season_files.length - 1);
        if(new_index >= season_index) {
            season_index = new_index + 1
        } else {
            season_index = new_index
        }
    } else if(season_files.length == 0) {
        return;
    } else {
        season_index = season_random(season_files.length);
    }
    document.getElementById('season_img').src = season_files[season_index];
    setTimeout("season_change()", 4000);
}